Topics include:- 1:46 – Exploring the React paradigm- 11:45 – How have your opinions on UI dev changed since starting Ember?- 16:00 – How React's render functions and Ember's templates both solve the same problem: how to restrict the rendering code that users write- 34:03 – JavaScript's multiparadigm approach: OOP + functional- 40:13 - Hooks and the importance of lifecycle entanglement- 46:15 – Do Hooks succeed in bringing the ideas of declarative rendering to our JavaScript code?- 53:58 – The ES module spec, ES imports, and ES modules vs. CJS modules- 1:04:55 – Are TypeScript users at risk of the same kinds of syntax collisions that CoffeeScript users once were?- 1:10:10 – TypeScript now doesn't ship unstable features. (e.g. Optional chaining is stage 3)- 1:15:35 – Yehuda's take on stage 0 through stage 4 ECMAScript proposals- 1:23:39 – What's missing from UI development? And the difference between paradigms and abstractions.- 1:31:00 – Ember's original sin was push-based reactivity. Pull-based is how programs work.- 1:40:30 – Ember needs a new lifecycle entanglement primitive, that borrows concepts from both Hooks and Ember Concurrency tasks- 1:57:07 – How do you feel about UI development in 2019? Links:- [No Silver Bullet](http://worrydream.com/refs/Brooks-NoSilverBullet.pdf), by Fred Books- [React Hook Pitfalls](https://www.youtube.com/watch?v=VIRcX2X7EUk), by Kent C. Dodds